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QArrayData/Pointer: s/QPair/std::pair/

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Also port from qMakePair to just braced initialization and CTAD.

Task-number: QTBUG-115841
Change-Id: Ifd7220ae88b101351e91d1488ce18715eb4880e5
Reviewed-by: Ahmad Samir <a.samirh78@gmail.com>
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>
(cherry picked from commit 95c7f88132646489bc17b8ea32facd76a19e19fa)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Marc Mutz 2023-12-07 20:10:50 +01:00 committed by Qt Cherry-pick Bot
parent 4e8e6a1526
commit f49980f0b7
3 changed files with 10 additions and 10 deletions
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6
src/corelib/tools/qarraydata.cpp
View File

@ -222,7 +222,7 @@ void *QArrayData::allocate2(QArrayData **dptr, qsizetype capacity, AllocationOpt
return r.data;
}
QPair<QArrayData *, void *>
std::pair<QArrayData *, void *>
QArrayData::reallocateUnaligned(QArrayData *data, void *dataPointer,
qsizetype objectSize, qsizetype capacity, AllocationOption option) noexcept
{
@ -233,7 +233,7 @@ QArrayData::reallocateUnaligned(QArrayData *data, void *dataPointer,
qsizetype allocSize = r.size;
capacity = r.elementCount;
if (Q_UNLIKELY(allocSize < 0))
return qMakePair<QArrayData *, void *>(nullptr, nullptr);
return {};
const qptrdiff offset = dataPointer
? reinterpret_cast<char *>(dataPointer) - reinterpret_cast<char *>(data)
@ -248,7 +248,7 @@ QArrayData::reallocateUnaligned(QArrayData *data, void *dataPointer,
} else {
dataPointer = nullptr;
}
return qMakePair(static_cast<QArrayData *>(header), dataPointer);
return {header, dataPointer};
}
void QArrayData::deallocate(QArrayData *data, qsizetype objectSize,

12
src/corelib/tools/qarraydata.h
View File

@ -95,7 +95,7 @@ struct QArrayData
static Q_CORE_EXPORT void *allocate2(QArrayData **pdata, qsizetype capacity,
AllocationOption option = QArrayData::KeepSize) noexcept;
[[nodiscard]] static Q_CORE_EXPORT QPair<QArrayData *, void *> reallocateUnaligned(QArrayData *data, void *dataPointer,
[[nodiscard]] static Q_CORE_EXPORT std::pair<QArrayData *, void *> reallocateUnaligned(QArrayData *data, void *dataPointer,
qsizetype objectSize, qsizetype newCapacity, AllocationOption option) noexcept;
static Q_CORE_EXPORT void deallocate(QArrayData *data, qsizetype objectSize,
qsizetype alignment) noexcept;
@ -125,7 +125,7 @@ struct QTypedArrayData
{
struct AlignmentDummy { QtPrivate::AlignedQArrayData header; T data; };
[[nodiscard]] static QPair<QTypedArrayData *, T *> allocate(qsizetype capacity, AllocationOption option = QArrayData::KeepSize)
[[nodiscard]] static std::pair<QTypedArrayData *, T *> allocate(qsizetype capacity, AllocationOption option = QArrayData::KeepSize)
{
static_assert(sizeof(QTypedArrayData) == sizeof(QArrayData));
QArrayData *d;
@ -143,16 +143,16 @@ struct QTypedArrayData
// and yet we do offer results that have stricter alignment
result = __builtin_assume_aligned(result, Q_ALIGNOF(AlignmentDummy));
#endif
return qMakePair(static_cast<QTypedArrayData *>(d), static_cast<T *>(result));
return {static_cast<QTypedArrayData *>(d), static_cast<T *>(result)};
}
static QPair<QTypedArrayData *, T *>
static std::pair<QTypedArrayData *, T *>
reallocateUnaligned(QTypedArrayData *data, T *dataPointer, qsizetype capacity, AllocationOption option)
{
static_assert(sizeof(QTypedArrayData) == sizeof(QArrayData));
QPair<QArrayData *, void *> pair =
std::pair<QArrayData *, void *> pair =
QArrayData::reallocateUnaligned(data, dataPointer, sizeof(T), capacity, option);
return qMakePair(static_cast<QTypedArrayData *>(pair.first), static_cast<T *>(pair.second));
return {static_cast<QTypedArrayData *>(pair.first), static_cast<T *>(pair.second)};
}
static void deallocate(QArrayData *data) noexcept

2
src/corelib/tools/qarraydatapointer.h
View File

@ -47,7 +47,7 @@ public:
}
Q_NODISCARD_CTOR
explicit QArrayDataPointer(QPair<QTypedArrayData<T> *, T *> adata, qsizetype n = 0) noexcept
explicit QArrayDataPointer(std::pair<QTypedArrayData<T> *, T *> adata, qsizetype n = 0) noexcept
: d(adata.first), ptr(adata.second), size(n)
{
}